The Journal of Korean Medicine (대한한의학회지)

The Society of Korean Medicine (대한한의학회)
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Concentration of metal in herbal drugs -in crude, remnant after boiling and decoction of herbal drugs-

한약재에 포함된 금속의 전탕 전과 후의 농도변화연구 -첩약 / 다린 찌꺼기 / 탕약을 중심으로-

  • 이선동 (상지대학교 한의과대학 예방의학교실) ;
  • 박해모 (상지대학교 한의과대학 예방의학교실) ;
  • 이장천 (상지대학교 한의과대학 본초방제학교실) ;
  • 국윤범 (상지대학교 한의과대학 본초방제학교실)
  • Published : 2003.06.01
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Abstract

This study was conducted to analyze metal concentration changes following processing steps for crude, remnant after boiling, and decoction of Korea herbal drugs. We measured meta.! concentration from 20 random patients who visited Oriental medical clinics for treatment of several diseases through normal action. The results obtained were as below: First, in the study to acknowledge quality control between Korean Lab and Harvard Lab in the US, 20 equal herbal samples resulted in the same values, so we confirmed the precision of measurement results from both labs. Second, hazardous metal mean concentration in crude, remnant after boiling, and decoction of herbal drugs were $32.5{\mu\textrm{g}}/22.1{\mu\textrm{g}}/8.8{\mu\textrm{g}}$ for As, $0.0{\mu\textrm{g}}/0.0{\mu\textrm{g}}/0.0{\mu\textrm{g}}$ for Cd, $1.0{\mu\textrm{g}}/0.0{\mu\textrm{g}}/0.0{\mu\textrm{g}}$ for Hg and $5416.3{\mu\textrm{g}}/3639.6{\mu\textrm{g}}/1002.6{\mu\textrm{g}}$ for Pb, respectively. These metal concentrations decreased 72.9-100.0% compared to crude status. The same trend was also visible in the other essential elements. From reviewing these results, we could carefully conclude that decoction had the least amount of metal concentration and is the optimal way to intake herbal drugs.

Keywords

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